Estuarine Shorelines From broad, shallow sounds like the Albemarle and Pamlico, to narrow bodies of water such as Core and Masonboro sounds, North Carolina has 2.2 million acres of estuarine waters. These shallow sounds, rivers and creeks make up one of the largest estuarine systems in the United States. NC Thin Layer Project Guidance Review guidance for the permitting of “thin layer” placement projects on tidal marshes in North Carolina. Thin-layer placement is a coastal wetland restoration or enhancement strategy whereby material (often dredged sediment) is intentionally placed on a wetland to increase its elevation while maintaining hydrology necessary for the restoration of targeted wetland species. Estuarine Shoreline Stabilization Learn about recommended methods, rules, and resources for stabilizing estuarine shorelines. Wetlands Get to know coastal wetland species, the Division's conservation plan, and restoration projects.